1. I'm in the process of that now. But it took a lot of waking up alone to find he had gone out, a lot of "that's not mine" when I found drugs laying around, a lot of firings b/c drinking at work/going in still drunk, a lot of lying lying lying, a moderate amount of stealing stealing stealing, and one really sizable crack binge. Don't wait that long. His consequences don't have to be yours, too.
2. No. They can be beautiful people, but they are selfish and manipulative and they will get what they want. But the excuses can be totally award worthy, though. I'll give them that. They get points for creativity.